Select the most appropriate meaning of the given idiom.

Blow your own trumpet

Boast about one's own qualities

The most appropriate meaning of the idiom "blow your own trumpet" is boast about one's own qualities.

This idiom is used to describe someone who talks about their own achievements or abilities in a way that is arrogant or boastful. It is often used in a negative way, to suggest that the person is not humble or modest.

For example, you might say that your coworker is blowing their own trumpet if they are constantly talking about how much better they are at their job than everyone else. Or, you might say that your friend is blowing their own trumpet if they are constantly talking about how much money they make or how many friends they have.

The other options are not as accurate.

• Keep away the dust from your instruments - This option is not accurate because the idiom is not about music or instruments.
• Practise playing music - This option is not accurate because the idiom is not about practising.
• Play on your instrument - This option is not accurate because the idiom is not about playing music.